Home / 28,262.12-42,349.02-10,722.44

Finding the Fourth Proportional to 28,262.12, 42,349.02 and 10,722.44

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Solution

The fourth proportional to 28,262.12, 42,349.02 and 10,722.44 is: 16,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.12 : 42,349.02 = 10,722.44 : x
  2. Step 2: Convert to fraction form
    28,262.12/42,349.02 = 10,722.44/x
  3. Step 3: Cross multiply
    28,262.12x = 42,349.02 × 10,722.44
  4. Step 4: Simplify right side
    28,262.12x = 454,084,826.01
  5. Step 5: Solve for x
    x = 454,084,826.01/28,262.12
  6. Step 6: Final answer
    x = 16,066.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.